2、“虽然，尽管”相当于although，引导让步状(zhuàng)语从句(常把while放在句首)。

　　While she is a top student， she has some shortcomings. While the Internet is bridging the distance between people， it may also be breaking some home or will cause other family problems。

　　3、“只要(yào)，如果(guǒ)”等于as long as，引导条件状(zhuàng)语从句(jù)。

　　There is hope while there is life. While you study hard， your effort will pay off。

while的(de)前后时态(tài)口诀

　　while的瞎棚前后时态口蚂世诀：当while表示同(tóng)时的时候，主句和从(cóng)句(jù)的时态(tài)是一(yī)致的，既(jì)可以都是(shì)一般现在时(shí)，又可以(yǐ)都是(shì)一般过去时(shí)。

　　可以表示过去同时发生或者现在正(zhèng)在同时(shí)发生某事。

　　1、“当……时候(hòu)”，引导时间状语从句(从句动作必须是延续性的)。

　　Please dont talk so loud while others are working.

　　While I was cleaning the window，my finger was seriously cut。

　　2、“虽然(rán)，尽管”相当于although，引导让步(bù)状语(yǔ)从句(jù)(常(cháng)把(bǎ)while放(fàng)在句首磨物(wù)则(zé))。

　　While she is a top student， she has some shortcomings. While the Internet is bridging the distance between people， it may also be breaking some home or will cause other family problems。

　　3、“只要，如果”等(děng)于(yú)as long as，引导条件状语从句。

　　There is hope while there is life. While you study hard， your effort will pay off。

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